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Taking a multivitamin

Roughly 40% of Americans take a daily multivitamin, according to the Centers for Disease Control and Prevention. Unfortunately, they don't appear to making us any healthier.

A trio of studies published in 2013 found no evidence that supplements could prevent or slow down chronic conditions like heart disease and cancer among people who are well-nourished (like most Americans).

In an editorial published alongside those studies, a group of doctors also addressed multivitamins specifically, writing that there's "no substantial health benefit" to taking them.

If you think that you might be deficient in any nutrients, talk to a doctor before you buy vitamins.

[Photo via @trsinka]

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